I-39/90 Expansion Project

Illinois state line to Madison, Dane and Rock counties

Latest News

Weekly Construction Update: July 16-20

Updated: July 16, 2018

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All lane restrictions and work operations are weather dependent and subject to change.

Two lanes remain open to traffic on I-39/90 (in each direction) during daytime hours and weekends.

NOTE: Next week Monday through Friday, nightly single lane closures (8 p.m. – 5 a.m.) are planned on I-39/90 northbound and southbound in the following work zones, unless noted otherwise. Minor delays may occur during these lane closures.

I-39/90 northbound expansion (E. Church Road north of the US 51 interchange (Stoughton Exit 156) to County AB), Edgerton to Madison
County MN, Drotning Road, County W and County B underpasses
Anticipated construction completion: Mid-November 2018

  • View the I-39/90 construction activities in this area.
    • MSE wall construction underway for the new bridge over County MN.
    • Bridge construction underway for County W and Drotning Road. Girders set at County W.
    • Deck pour complete for the new County B bridge. Clean water to drip from deck over the next few weeks.
    • Crews are installing cross culverts.
    • Be alert for new ramp locations to and from I-39/90 northbound at County N.
    • Pavement removal and grading underway on old lanes of I-39/90 northbound within these limits.
  • All I-39/90 traffic is located on the southbound side of the Interstate between East Church Road, north of the US 51 interchange (Stoughton Exit 156), and County AB.
    • Two lanes remain open in each direction, separated by a median barrier wall.
    • Be alert for crossovers, don’t tailgate and drive with caution through this area!
  • County MN under I-39/90 is CLOSED until fall 2018. Alternate routes are required; follow the posted detour.
  • Drotning Road under I-39/90 is CLOSED until fall 2018. Alternate local routes are required.
  • County W under I-39/90 is CLOSED until late summer 2018. Alternate local routes are required.
  • County B under I-39/90 is OPEN until late summer 2018.

I-39/90 southbound expansion (E. Church Road north of the US 51 interchange (Stoughton Exit 156) to the Dane/Rock County line), near Edgerton
Anticipated construction completion: November 2018

  • View the I-39/90 construction operations in this area.
    • Grading underway on the old I-39/90 southbound lanes.
    • Base course crushing and placement occurring everywhere south of US 51
    • Erosion control follows closely behind grading.
    • Piling is complete and abutments are being constructed for the new I-39/90 southbound bridge over Lake Drive Road.
    • Concrete pavement is ongoing on the new I-39/90 southbound lanes between US 51 and WIS 73/US 51 interchanges.
    • Be alert for crews and equipment in the area.
  • All I-39/90 traffic is shifted onto the newly completed northbound side of the Interstate between the Dane/Rock County line and East Church Road, north of the US 51 interchange (Stoughton Exit 156).
    • Two lanes remain open in each direction, separated by a median barrier wall.
  • Lake Drive under I-39/90 in Edgerton is CLOSED until late September 2018 for bridge construction over the roadway (weather-permitting).
    • Alternate local routes are required during this long-term closure. Emergency access to be provided to police, fire and EMS.

I-39/90 and Rock River bridges, near Edgerton and Newville
Anticipated construction completion: Late summer 2018

  • All I-39/90 traffic located on northbound lanes and bridge over the Rock River. Be alert for crossovers in this area, and please stay in your lane!
    • Two lanes remain open in each direction on I-39/90, separated by a median barrier wall.
  • The WIS 59 ramp to I-39/90 southbound, near Edgerton and Newville, is CLOSED until late July 2018.
    • Crews will construct the permanent configuration for this entrance ramp.
    • Alternate routes are required. Signed detour route: I-39/90 northbound to the WIS 73/US 51 interchange (Exit 160) to turn around and travel south on the Interstate.
  • View Interstate and Rock River bridge operations.
    • Concrete paving and grading operations underway for the new I-39/90 southbound lanes.
    • Bridge staining operations are ongoing for the I-39/90 northbound bridge over the Rock River.
    • Download the Rock River Bridge, Boater Navigation Guide!
    • Navigational buoys are placed in the river under I-39/90. Boaters should slow down (this area is no wake), and be alert for construction crews and work taking place.
  • Ellendale Road under I-39/90 along the Rock River is CLOSED daily from 6 a.m. to 5 p.m. Monday through Wednesday (July 16-18).
    • Alternate local routes are required.

Temporary widening on I-39/90 northbound (Townline Road to Rock River bridges), Janesville to Edgerton
Townline Road and County M underpasses
Anticipated construction completion: November 2018

  • View temporary widening activities.
    • Grading and asphalt paving to occur during overnight hours.
    • Bridge repairs and bridge construction during daytime hours.
    • Traffic shift on I-39/90 southbound between WIS 26 and US 14 interchanges for bridge repair work.
    • Nighttime lane closures on US 14 and WIS 26 under the Interstate as crews work on the structures.
  • Townline Road under I-39/90 near Milton is scheduled to open late Friday, July 20, 2018 (weather-permitting).
    • Alternate local routes are required during this long-term closure.
  • County M under the Interstate is anticipated to be CLOSED from early August to early October 2018.
    • Alternate routes are required, such as the signed detour of WIS 59 and US 51.

I-39/90 northbound expansion (Hart Road bridge over I-39/90 to US 14/Humes Road interchange), Beloit to Janesville
Anticipated construction completion: Spring 2020

  • All I-39/90 traffic shifted to southbound side of the Interstate, between Hart Road near Beloit and the US 14/Humes Road interchange in Janesville.
    • Two lanes remain open in each direction, separated by a median barrier wall.
    • Be alert for crossovers, don’t tailgate and drive with caution through this area!
  • Nightly closure of Mount Zion Avenue under I-39/90 in Janesville as crews work on the bridge deck.
    • 8 p.m. to 5 a.m. Monday night (July 16) and Tuesday night (July 17)
    • Alternate local routes are required.
  • Nighttime closure of Palmer Drive under I-39/90 in Janesville as crews pour the concrete deck.
    • 2 a.m. to 8 a.m. Wednesday (July 18)
    • Alternate local routes are required.
  • View I-39/90 construction activities between Beloit and Janesville.
    • Crews will continue to installing shoring between UP Railroad and Creek Road
    • Boring and Jacking of a 48 inch pipe under the I-39/90 between UP Railroad and Avalon Road will continue.
    • Crews will continue grading between Townline Road and Creek Road.
    • Branch Rock River Box Culvert: Demo will start at the end of the week
    • Turtle Creek: North abutment will be formed and poured.
    • Townline Road: Structure approach will be formed.
    • Union Pacific Railroad: Crews will place girders between Thursday night (July 19) to Saturday (July 21)
    • County O: Deck pour complete. Clean water to drip from bridge over next few weeks.
    • Palmer Drive: Deck work almost finished. Deck pour expected for Tuesday night (July 17)
    • Spring Brook: Bridge deck and approach slabs are complete. Path to close for two days later this summer for bridge work.
    • Ruger Avenue: Deck approach slabs will be complete in the next few weeks.
    • East Milwaukee Street: Bridge deck and approach slabs are complete.
    • Mount Zion Avenue: Bridge decking will occur early next week on Monday night (July 16) and Tuesday night (July 17)
    • Storm sewer work is nearly complete under I-39/90 between Avalon Road and County O. Infiltration ditch work has begun within these limits.
    • The park and ride lot off Midland Court near the WIS 11/Racine Street interchange is open.
    • Noise barrier: Drilling and post installation along the new lanes of I-39/90 northbound in Janesville will occur for the next several weeks. Placement on noise barrier panels is ongoing.
  • Spring Brook/Ice Age National Scenic Trail under I-39/90 is OPEN to bicyclists and pedestrians.
    • Path to close for two days later this summer for bridge work.